| # OpenType Feature File specification, section 6.d, example 1: |
| # [GPOS LookupType 4] Mark-to-Base attachment positioning |
| # http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html |
| |
| languagesystem DFLT dflt; |
| |
| markClass [acute grave] <anchor 150 -10> @TOP_MARKS; |
| markClass [dieresis umlaut] <anchor 300 -10> @TOP_MARKS; |
| markClass [cedilla] <anchor 300 600> @BOTTOM_MARKS; |
| |
| feature test { |
| pos base [e o] <anchor 250 450> mark @TOP_MARKS <anchor 250 -12> mark @BOTTOM_MARKS; |
| #test-fea2fea: pos base [a u] <anchor 265 450> mark @TOP_MARKS <anchor 250 -10> mark @BOTTOM_MARKS; |
| position base [a u] <anchor 265 450> mark @TOP_MARKS <anchor 250-10> mark @BOTTOM_MARKS; |
| } test; |